Rotary kinetic fluid motors or pumps – Working fluid passage or distributing means associated with... – Plural rigidly related blade sets
Reexamination Certificate
2007-05-08
2007-05-08
Nguyen, Ninh H. (Department: 3745)
Rotary kinetic fluid motors or pumps
Working fluid passage or distributing means associated with...
Plural rigidly related blade sets
C415S211200, C415S212100
Reexamination Certificate
active
10982959
ABSTRACT:
An apparatus and a method for a versatile, multi-stage, centrifugal fluids-processing device adaptable to efficiently mixing, blending, emulsifying, deagglomerating or homogenizing fluids. The device comprises a centrifugal-pump-type mechanism comprising an electric motor, an intake screen, an elongate metal body, a central drive shaft extending from the motor to the discharge end of the device. Attached internally to the drive shaft is one impellor per stage, which by rotation of the motor, imparts kinetic energy to the fluid being processed. The fluid discharged from the impellors passes through separate conduits and opposing nozzles into opposite ends of a chamber having the internal shape of an oblate-spheroid with internally-ribbed ceramic walls. As the fluid streams being slightly divergent upon contact with each other they are mutually deflected at high-velocity and high turbulence to impact against the ribbed inner walls of the fluid processing chamber in directions away from the outlet from fluid processing. The orientation of the incoming fluid streams aids in providing optimum use of the fluid's kinetic energy in turbulence and high-sheer contact prior to the fluids exiting the fluid processing chamber.
REFERENCES:
patent: 2366964 (1945-01-01), Howard
patent: 4815929 (1989-03-01), Weinrib
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